https://github.com/raspberrypi/linux
Tip revision: ef3b440e0e4d9ca70060483aa33d5b1201ceceb8 authored by Phil Elwell on 26 April 2017, 16:28:47 UTC
clk: bcm2835: Limit PCM clock to OSC and PLLD_PER
clk: bcm2835: Limit PCM clock to OSC and PLLD_PER
Tip revision: ef3b440
irqflags.h
#ifndef __ASM_GENERIC_IRQFLAGS_H
#define __ASM_GENERIC_IRQFLAGS_H
/*
* All architectures should implement at least the first two functions,
* usually inline assembly will be the best way.
*/
#ifndef ARCH_IRQ_DISABLED
#define ARCH_IRQ_DISABLED 0
#define ARCH_IRQ_ENABLED 1
#endif
/* read interrupt enabled status */
#ifndef arch_local_save_flags
unsigned long arch_local_save_flags(void);
#endif
/* set interrupt enabled status */
#ifndef arch_local_irq_restore
void arch_local_irq_restore(unsigned long flags);
#endif
/* get status and disable interrupts */
#ifndef arch_local_irq_save
static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags;
flags = arch_local_save_flags();
arch_local_irq_restore(ARCH_IRQ_DISABLED);
return flags;
}
#endif
/* test flags */
#ifndef arch_irqs_disabled_flags
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
return flags == ARCH_IRQ_DISABLED;
}
#endif
/* unconditionally enable interrupts */
#ifndef arch_local_irq_enable
static inline void arch_local_irq_enable(void)
{
arch_local_irq_restore(ARCH_IRQ_ENABLED);
}
#endif
/* unconditionally disable interrupts */
#ifndef arch_local_irq_disable
static inline void arch_local_irq_disable(void)
{
arch_local_irq_restore(ARCH_IRQ_DISABLED);
}
#endif
/* test hardware interrupt enable bit */
#ifndef arch_irqs_disabled
static inline int arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif
#endif /* __ASM_GENERIC_IRQFLAGS_H */